CPC B61D41/00
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CPC B61D41/00 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B61D41/00".
Patents in category CPC B61D41/00
- Patent US-1910-1181851 (English title: ELECTRICAL INDICATOR FOR STREET-CARS, Inventors: Richard M. Craig, Filing date: 1910-02-01)
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